| 摘要 |
PROBLEM TO BE SOLVED: To stably obtain an excellent fixed image by eliminating temperature unevenness in a fixing belt, thereby uniformly melting toner.SOLUTION: In a fixing device 70, a fixing belt 21 is stretched between a heating roller 22 heated by a heater 23 and a fixing pad 24 and a pressure roller 31 is pressed to form a fixing nip. Belt stretching state maintaining means 25 and 25 are provided on both sides of the fixing pad 24, the belt stretching state maintaining means 25 and 25 comprising a flexible member, elastically deformed from an initial state by the tensile force of the fixing belt 21, to apply a tension to the fixing belt, and deformed to return to the initial state, according to the expansion of the fixing belt 21, to always maintain the fixing belt 21 in a stretched state. |
